name: Build and push Docker image

on:
  push:
    branches: [ main ]
    paths:
      - 'docker/**'
  pull_request:
    branches: [ main ]
    paths:
      - 'docker/**'
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-22.04
    env:
      USERNAME: infinitime
    steps:
      - uses: actions/checkout@v3

      - name: Log in to Docker Hub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_LOGIN_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Set up Docker metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ${{ secrets.DOCKER_HUB_IMAGE_USERNAME || env.USERNAME }}/infinitime-build
          tags: |
            type=sha
            type=raw,value=latest

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2

      - name: Build and push
        if: github.event_name != 'pull_request'
        uses: docker/build-push-action@v3
        with:
          context: ./docker/
          file: ./docker/Dockerfile
          platforms: linux/amd64,linux/arm64
          builder: ${{ steps.buildx.outputs.name }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ secrets.DOCKER_HUB_IMAGE_USERNAME || env.USERNAME }}/infinitime-build:buildcache
          cache-to: type=registry,ref=${{ secrets.DOCKER_HUB_IMAGE_USERNAME || env.USERNAME }}/infinitime-build:buildcache,mode=max

      - name: Build
        if: github.event_name == 'pull_request'
        uses: docker/build-push-action@v3
        with:
          context: ./docker/
          file: ./docker/Dockerfile
          platforms: linux/amd64,linux/arm64
          builder: ${{ steps.buildx.outputs.name }}
          push: false
          cache-from: type=registry,ref=${{ secrets.DOCKER_HUB_IMAGE_USERNAME || env.USERNAME }}/infinitime-build:buildcache